28849275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 63641760

約数和(自身を除く): 34792485

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 175, 195, 225, 273, 315, 325, 455, 525, 585, 819, 975, 1365, 1409, 1575, 2275, 2925, 4095, 4227, 6825, 7045, 9863, 12681, 18317, 20475, 21135, 29589, 35225, 49315, 54951, 63405, 88767, 91585, 105675, 128219, 147945, 164853, 246575, 274755, 317025, 384657, 443835, 457925, 641095, 739725, 824265, 1153971, 1373775, 1923285, 2219175, 3205475, 4121325, 5769855, 9616425, 28849275]

約数ペア:

[(1, 28849275), (3, 9616425), (5, 5769855), (7, 4121325), (9, 3205475), (13, 2219175), (15, 1923285), (21, 1373775), (25, 1153971), (35, 824265), (39, 739725), (45, 641095), (63, 457925), (65, 443835), (75, 384657), (91, 317025), (105, 274755), (117, 246575), (175, 164853), (195, 147945), (225, 128219), (273, 105675), (315, 91585), (325, 88767), (455, 63405), (525, 54951), (585, 49315), (819, 35225), (975, 29589), (1365, 21135), (1409, 20475), (1575, 18317), (2275, 12681), (2925, 9863), (4095, 7045), (4227, 6825)]